389378203 has 2 divisors, whose sum is σ = 389378204. Its totient is φ = 389378202.

The previous prime is 389378173. The next prime is 389378233. The reversal of 389378203 is 302873983.

It is a balanced prime because it is at equal distance from previous prime (389378173) and next prime (389378233).

It is a cyclic number.

It is not a de Polignac number, because 389378203 - 2¹³ = 389370011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389378203.

It is not a weakly prime, because it can be changed into another prime (389378233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194689101 + 194689102.

It is an arithmetic number, because the mean of its divisors is an integer number (194689102).

Almost surely, 2^389378203 is an apocalyptic number.

389378203 is a deficient number, since it is larger than the sum of its proper divisors (1).

389378203 is an equidigital number, since it uses as much as digits as its factorization.

389378203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 389378203 is about 19732.6684206673. The cubic root of 389378203 is about 730.2258655564.

The spelling of 389378203 in words is "three hundred eighty-nine million, three hundred seventy-eight thousand, two hundred three".